package com.qfedu.video.service.impl;

import com.qfedu.video.entry.User;
import com.qfedu.video.mapper.UserMapper;
import com.qfedu.video.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;
import java.util.Random;

/**
 * @author yanzhenwei
 * @date 2021-07-13 15:53
 */
@Service
public class UserServiceImpl implements UserService {

    @Autowired
    UserMapper userMapper;

    public void register(User user) {
        userMapper.insertUser(user);
    }

    public boolean validateEmail(String email) {

        int count= userMapper.selectEmail(email);
        return count>0 ? true:false;


    }

    public boolean login(User user) {
        int count= userMapper.login(user);
        return count>0 ? true:false;
    }

    public User getUserByEmail(String email) {
        return userMapper.getUserByEmail(email);
    }

    public void updateImgUrlByEmail(User user) {
        userMapper.updateImgUrlByEmail(user);
    }

    @Override
    public void updateUserById(User user) {
        userMapper.updateUserById(user);
    }

    @Override
    public String sendEmail(String email) {
        //发送邮件
        //随机生成一个6位数的验证码
        StringBuffer randomCode=new StringBuffer();
        for(int i=0;i<6;i++){
            int num = new Random().nextInt(10);
            randomCode.append(num);
        }

        String validateCode = randomCode.toString();
        sendMail(email,"您本次的验证码是："+validateCode,"Y先生学习网校验码");

        return validateCode;
    }

    /**
     *
     * @param to 收件人邮箱
     * @param text 邮件正文
     * @param title 标题
     */
    /* 发送验证信息的邮件 */
    public static boolean sendMail(String to, String text, String title){

        String USER = "838700991@qq.com"; // 发件人称号，同邮箱地址
        String PASSWORD = "zsyaovfssfbhbcgg"; // 如果是qq邮箱可以使户端授权码，或者登录密码

        try {
            final Properties props = new Properties();
            props.put("mail.smtp.auth", "true");
            props.put("mail.smtp.host", "smtp.qq.com");

            // 发件人的账号
            props.put("mail.user", USER);
            //发件人的密码
            props.put("mail.password", PASSWORD);

            // 构建授权信息，用于进行SMTP进行身份验证
            Authenticator authenticator = new Authenticator() {
                @Override
                protected PasswordAuthentication getPasswordAuthentication() {
                    // 用户名、密码
                    String userName = props.getProperty("mail.user");
                    String password = props.getProperty("mail.password");
                    return new PasswordAuthentication(userName, password);
                }
            };
            // 使用环境属性和授权信息，创建邮件会话
            Session mailSession = Session.getInstance(props, authenticator);
            // 创建邮件消息
            MimeMessage message = new MimeMessage(mailSession);
            // 设置发件人
            String username = props.getProperty("mail.user");
            InternetAddress form = new InternetAddress(username);
            message.setFrom(form);

            // 设置收件人
            InternetAddress toAddress = new InternetAddress(to);
            message.setRecipient(Message.RecipientType.TO, toAddress);

            // 设置邮件标题
            message.setSubject(title);
            // 设置邮件的内容体
            message.setContent(text, "text/html;charset=UTF-8");
            // 发送邮件
            Transport.send(message);
            return true;
        }catch (Exception e){
            e.printStackTrace();
        }
        return false;
    }


}
